Front-runner Mark Carney and underdog Chrystia Freeland, both established, centrist policymakers, are vying to succeed Justin Trudeau amid grave threats to Canada from the United States.

Frontrunners include Chrystia Freeland and Mark Carney, who are making the case they can guide Canada through domestic and international issues. At the top of the list: mounting trade tensions with the United States.

Canadians still don’t know much about Mr Carney, but they have been speed-dating him since January, when he launched his candidacy to lead the country’s governing Liberal Party. Polls suggest that, at an anxious time for Canadians,